JP2001292621A - Combine harvester support device - Google Patents

Abstract

An object of the present invention is to reinforce a support rod for supporting a reaper and a support pipe rod to prevent the reaper from swinging up and down and left and right. An upper support rod (2) for supporting a reaper (3) in a front-rear direction.
8 and a lower supporting rod 29, and a supporting device 2 which is provided with a supporting pipe rod 20 at the upper end of the supporting rod 21 in the left-right direction, and rotatably supports the supporting pipe rod 20.
2 is provided so that the reaper 3 can rotate vertically.
A reinforcing connecting rod 10 for connecting the lower supporting rod 29 of the supporting rod 21 and the supporting pipe rod 20 is provided.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a support rod comprising an upper support rod and a lower support rod for supporting a reaper,
At the upper end of the support rod, a support pipe rod is provided in the left-right direction, and a support device for rotatably supporting the support pipe rod is provided. And a reinforcing connecting rod for connecting the lower supporting rod and the supporting pipe rod, and can be used as a combine harvester support device.

[0002]

2. Description of the Related Art Harvesting of pied cereal culm by combine is performed by transferring the harvested cereal culm cut by a front reaper to an upper part by each transfer device of the reaper and supplying it to a threshing machine. Threshing during transport in the aircraft, and threshed and sorted kernels are temporarily stored in this combine.

At the time of this harvesting operation, a support rod for supporting the reaper in the front-rear direction according to the culm length of the culm to be harvested or by cutting a furrow, etc. And a support device for rotatably supporting the support pipe rod. The reaper is configured to be rotatable up and down around the support pipe rod portion. Rotate the machine up and down to adjust the cutting height of the culm to be cut to high or low, and cut the culm to supply the cut culm to the threshing machine at the optimum supply depth. And thresh.

[0004]

A support rod in the front-rear direction for supporting the reaper and a support pipe rod provided at the upper end of the support rod in the left-right direction and rotatably supported by the support device are provided by reinforcing members. When the harvesting operation is performed, the support rod swings up and down, and the harvester, which is rotatable up and down around the support pipe rod portion, swings at the time of harvesting. May not be held in the
For this reason, the cutting height of the grain stalk fluctuates, and the grain stalk is not supplied to the threshing machine at the optimum handling depth, and the performance of the threshing machine may be reduced, but according to the present invention, The purpose is to solve this problem.

[0005]

For this purpose, the present invention relates to a support rod 21 for supporting the reaper 3 in the front-rear direction, a support pipe rod 20 for the right and left directions at the upper end of the support rod 21, and a support pipe 21 for the support pipe 21. A support device 22 for rotatably supporting the rod 20 is provided, and in a combine in which the reaper 3 is vertically rotatable, a reinforcing connecting rod 10 for connecting the supporting rod 21 and the supporting pipe rod 20 is provided. The reinforcing connecting rod 10 is provided so as to avoid a falling path (a) for straw chips or the like falling from the culm being transferred from the reaper 3 to the threshing machine 9, and the supporting rod 21 is connected to the upper supporting rod 28 and the lower supporting rod 28. And a reinforcing connecting rod 1 for connecting the lower supporting rod 21 and the supporting pipe rod 20 to each other.
0, the reinforcing connecting rod 10 is provided substantially at the center (b) position of the supporting rod 21 in a side view, and the length (L1) of the reinforcing connecting rod 10 in the front-rear direction is longer than the length (L2) in the left-right direction. The reinforcing connecting rod 10 is provided with a predetermined length,
Characterized in that it is mounted and provided in the vicinity of the lower power take-out portion 30 and in the vicinity of the upper power take-out portion 31 of the support pipe rod 20.

[0006]

According to the present invention, the harvesting operation of the pilgrim culm using the combine is performed by using the reaping culm harvested by the front reaper 3.
Are transferred to the upper part by each of the transfer devices, and are supplied to the threshing machine 9 to be threshed while being transported in the threshing machine 9, and the threshed and sorted kernels are temporarily stored in the combine.

At the time of this harvesting operation, the upper support rod 28 and the lower support rod 29 which support the reaper 3 according to the culm length of the cereal culm to be cut and by cutting a furrow or the like. A rod 21, a support pipe rod 20 in the left and right direction at the upper end of the support rod 21, and a support device 22 for rotatably supporting the support pipe rod 20 are provided. The mowing machine 3 is configured to be rotatable up and down. The mowing machine 3 is vertically rotatable to adjust the cutting height of the culm to be cut to high or low, and the culm is adjusted. The harvested culm is supplied to a threshing machine 9 at an optimum supply depth to thresh.

Conventionally, a support rod 21 for supporting the reaper 3
Although the reinforcing member is not provided for the support rod 21 and the support pipe 20, the lower support rod 29
The reinforcing connecting rod 10 provided in the vicinity of the lower power take-out part 30 and in the vicinity of the upper power take-out part 31 of the support pipe rod 20 is connected to the grain culm being transferred and supplied from the reaper 3 to the threshing machine 9. Avoid a falling path (a) for falling straw chips, etc., and position it in the approximate center (a) of the support rod 21 in a side view, and set the length (L1) of the reinforcing connecting rod 10 in the front-rear direction to the left-right direction. Length (L
2) The support rod 21 and the support pipe rod 20 are provided with a longer length, and are strongly reinforced.
In addition, fluctuations in the cutting height of the grain stalk are prevented by preventing swaying in the left-right direction, and the grain stalk is mowed.

[0009]

According to the present invention, the supporting rod 21 provided on the reaper 3 and the supporting pipe rod 20 are reinforced by providing the reinforcing connecting rod 10, so that the supporting rod 21 can be prevented from swinging up and down due to insufficient strength. Therefore, the shaking of the reaper 3 is also prevented, the reaper 3 is securely supported at the set predetermined cutting height position, and the grain stalk is cut at the set predetermined cutting height, so that the optimum feeding is achieved. By being supplied to the threshing machine 9 at a depth, a decrease in the performance of the threshing machine can be prevented.

[0010]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings. The reaper 3 provided on the front side of the traveling platform 2 of the combine 1 includes a support rod 21 provided in the front-rear direction for supporting the reaper 3, and a support pipe rod 20 provided on the upper end of the support rod 21 in the left-right direction. Means that these support rods 21
The reaper support device 11 has a structure in which a reinforcing connecting rod 10 for reinforcing the support pipe rod 20 and the support pipe rod 20 is fixedly provided. The support pipe rod 20 is rotatably supported by a support device 22. The reaper 3 is configured to rotate vertically with the support pipe rod 20 as a center of rotation (c). The reaper support device 11, the support device 22 and the like will be illustrated and described.

A traveling device 14 having a pair of left and right traveling crawlers 14a traveling on the soil surface is disposed below the traveling platform 2 of the combine 1 and a threshing machine mounted on the traveling platform 2 above. At the right side in plan view of 9, the harvested grain culm is clamped between the feed chain 12 and the clamping rod 13,
This is a configuration in which a grain storage tank 9a for collecting and temporarily storing threshed and sorted kernels that have been threshed while being transported inside is installed.

At the rear side of the grain storage tank 9a, a discharge support cylinder 16 internally provided with a vertical transfer spiral 16a for discharging the grains stored in the grain storage tank 9a to the outside of the machine is rotated in a substantially vertical posture. A discharge auger 17 is provided at the upper end of the discharge support tube 16 so as to be movably supported, and has a discharge spiral 17a that discharges grains to the outside of the machine over the entire length of the combine 1 in a contractible manner. It is a configuration that is arranged in the front-rear direction so as to be able to contract, rotate up and down, and turn left and right freely.

At the front of the threshing machine 9 and on the right side of the reaper 3, an operating device 19 for operating, adjusting, starting, and stopping the components of the combine 1 and a cockpit 19 on which a pilot rides.
The engine 18 is mounted on the upper surface of the traveling chassis 2 below the cockpit 19a, and at the rear,
This is a configuration in which a grain storage tank 9a is provided. The threshing machine 9, the reaper 3, the engine 18, the traveling device 14, and the like constitute an airframe 1 a of the combine 1.

In the culm transfer path formed by the feeding and transferring device 8 which is trailing behind the reaper 3, the threshing machine 9 is brought into contact with the cut culm which is cut and transferred.
This is a configuration provided with a cereal stalk sensor 8b that detects the presence or absence of cereal stalk supply. A vehicle speed sensor 15a for detecting a traveling vehicle speed based on the output rotation speed is provided in a transmission path in a traveling transmission case 15 mounted on a front end portion of the traveling chassis 2.

As shown in FIGS. 1 to 6, the reaper 3 is provided with a support rod 21 which is inclined from the lower front part to the upper rear part, and a support pipe rod 20 is provided at the upper end of the support rod 21 in the left-right direction. The support pipe rod 20 is rotatably supported by a support device 22 provided on the upper surface of the traveling chassis 2.

The reaper 3 is configured to be rotatable up and down with respect to the soil surface with the support pipe rod 20 as the center of rotation (C) by the operation of the telescopic cylinder 23 driven by hydraulic pressure. The reaper 3 is provided with a narrow guide 24 for separating the pilgrim stalks sequentially from the tip end position as shown in FIGS.
a, the weeds 24b, the respective raising devices 25 for raising the separated cereals, the respective raked star wheels 4a for raked the root side of the raised cereals, and the respective rakes for raked the tip side. A raking device 4 comprising a rugged belt 4b, a cutting blade device 5 for mowing the stalked culm, a stock transfer chain 6a for transferring the stock side of the cut stalk, and a spike side for transferring. The feeding depth of the grain culm to be supplied to the threshing machine 9 based on the detection result of the grain culm transfer device 6 including the transfer chain 6b with the spike rug and the depth detection device 27 that detects the position of the culm to be transferred on the tip side. The handle 7 includes a forward / reverse rotation depth motor 7c for vertically moving the depth adjustment transfer chain 7b with the rotation metal 7a for controlling the depth of the handle to the deep side or the shallow side. A depth adjusting transfer device 7 and a supply transfer chain 8a formed in a substantially triangular shape at the transfer end portion are stretched. It is the supply transport device 8 provided configuration.

The handling depth detecting device 27 is provided above the tip guide cover 26 as shown in FIG. 5, and whether the ear of the harvested culm transferred above the tip guide cover 26 is the deep handling side, Deep handling detection rod 27a for detecting whether it is on the shallow handling side
And a shallow handling detection rod 27b are provided rotatably.
When the detection rods 27a and 27b are pressed and rotated by the grain culm, the ON / OFF type deep / shallow switches (not shown) are individually turned ON, and the ON state turns the handling depth adjustment transfer. The handling depth adjustment transfer chain 7b of the device 7 is adjusted and controlled, the grain stalk being transferred is controlled to move to the deep handling side or the shallow handling side, and the grain stalk is threshed at the standard handling depth. .

As shown in FIGS. 1 to 6, the reaper support device 11 includes a support rod 21 provided in the front-rear direction so as to be inclined upward from the lower front part to the upper rear part for supporting the reaper 3 and the support rod 21. A support pipe rod 20 provided at the upper end in the left-right direction;
Supporting device 2 for rotatably supporting this support pipe rod 20
2 and a reinforcing connecting rod 10 for connecting and reinforcing the supporting rod 21 and the supporting pipe 20. The reaper 3 is configured to be vertically rotatable and movable with the support pipe rod 20 as a center of rotation (C).

The support rod 21 comprises an upper support rod 28 and a lower support rod 29 as shown in FIGS. 1 to 4, and these upper and lower support rods 28 and 29 are connected by being mounted by bolts or the like. There is a configuration in which a transmission mechanism 21a is provided inside. A lower power take-out portion 30 is provided on the upper side surface near the upper end portion of the lower support rod 29 of the support rod 21, and power is taken out from the lower power take-out portion 30, and the depth-adjustment transfer of the depth-adjustment transfer device 7 is performed. In this configuration, the chain 7b is driven to rotate. Further, a mounting boss 30a for mounting one side of the reinforcing connecting rod 10 is provided near the upper end of the lower supporting rod 29 and on the left lateral side in plan view near the lower power take-out portion 30. .

An upper power take-out portion 31 is provided on an upper side surface of a substantially central portion of the support pipe rod 20, as shown in FIGS.
Power is taken out from the upper power take-out section 31 and the supply transfer chain 8a of the supply transfer device 8 is rotationally driven.
The transmission mechanism 21a is provided inside. A mounting boss 3 for mounting the other side of the reinforcing connecting rod 10 is provided on a lower surface of the supporting pipe rod 20 near the upper power take-out portion 31.
1a.

As shown in FIGS. 1 to 4, the reinforcing connecting rod 10 has upper and lower ends of a substantially L-shaped reinforcing pipe rod 32.
The upper and lower mounting plates 32a and 32b are fixedly provided, and the upper mounting plate 32a is mounted on the mounting boss 31a of the support pipe rod 20 with bolts or the like. Also, lower mounting plate 3
2b is mounted to the mounting boss 30a of the lower support rod 29 with a bolt or the like, and the reinforcing connecting rod 10 is mounted obliquely to form a triangular shape, and the support rod 21 and the support pipe rod 20 are reinforced to be rigid. To prevent the swinging of the support rod 21 and the reaper 3 and to always support the reaper 3 at the set height position so that the culm height can be cut at the set height. Also, the support rod 21 and the support pipe rod 20
This is a configuration in which the size and weight are reduced and the cost is reduced.

FIGS. 1 and 2 show the reinforcing connecting rod 10.
The upper and lower receiving plates 33a and 33b are fixedly provided as shown in FIG.
The upper and lower receiving plates 33a and 33b have a configuration in which a cover 33 is mounted with bolts, nuts, and the like. The cover 3
3 is attached to the reinforcing connecting rod 10 to further increase the strength, and to surely guide the dropped straw and the like down to the field.

As shown in FIG. 1, the reinforcing connecting rod 10 is provided so as to avoid a falling path (a) for straw chips and the like falling from the grain stalk being transferred from the reaper 3 to the threshing machine 9 and supplied. This is a configuration in which falling straw chips and the like are prevented from being caught on the auxiliary connecting rod 10. Thereby, the waste such as straw chips falling from the grain stalk being transported to the reinforcing connecting rod 10 is prevented from being caught, and therefore, the transfer resistance of the grain stalk being transported can be prevented.

The support rod 21 is divided into an upper support rod 28 and a lower support rod 29 as shown in FIGS. 1 and 2, and these upper and lower support rods 28, 29 are connected by bolts or the like.
It is a structure formed integrally. As a result, the assembly of the transmission mechanism 21a to be installed can be facilitated, and by dividing the transmission mechanism 21a into two parts, processing can be facilitated and cost can be significantly reduced.

As shown in FIG. 2, the reinforcing connecting rod 10 is provided so as to be located substantially at the center (b) in the vertical direction of the upper and lower supporting rods 28 and 29 of the supporting rod 21 in side view. Thereby, the rigidity of the support rod 21 and the support pipe rod 20 can be increased, and the vertical and horizontal swing of the reaper 3 can be prevented, and the support rod 21 and the support pipe rod 20 can be reduced in size. As a result, the weight can be reduced and the cost can be reduced. In addition, by providing the device at the center (b) position, the space can be saved.

As shown in FIG. 1, the length (L1) of the reinforcing connecting rod 10 in the front-rear direction on the side mounted on the supporting rod 21 is as follows.
The length (L
2) A configuration in which the reinforcing connection rod 10 is attached to the support rod 21 and the support pipe rod 20 as a configuration that is longer than the predetermined length. Further, the configuration may be such that both lengths are formed to be the same length, or the configuration may be such that both lengths are formed to have opposite lengths.

Thus, the swing between the support rod 21 and the reaper 3 can be reliably prevented at low cost. or,
By increasing the length of the reinforcing connecting rod 10 in the front-rear direction, it is possible to prevent the accumulation of straw chips falling from above. Further, since the support rod 21 and the support pipe rod 20 can be reduced in size and weight by providing the support rod 21 and the support pipe rod 20 at an angle.

The mounting position of the reinforcing connecting rod 10 is shown in FIG.
As shown in FIG. 2, the support rod 21 is mounted on a mounting boss 30a near the lower power take-out portion 30 provided on the lower support rod 29 of the support rod 10. Also, support pipe rod 2
The 0 side is the upper power take-out portion 3 provided on the support pipe rod 20.
1 is mounted on a mounting boss 31a near the center 1.

Thus, the upper and lower power take-out sections 3
Since the reinforcing connecting rod 10 is attached and provided near the first and the first 30, the portion where the strength becomes weak when a torque such as transmission is applied to the open portions of the upper and lower power take-out portions 31 and 30 is reduced. Together, they were reinforced, increasing strength.

A mounting plate 23a for mounting one end of a telescopic cylinder 23 for moving the reaper 3 up and down,
As shown in FIG. 2, the lower support rod 29 of the support rod 21 is mounted on the lower surface near the upper end. The lower support rod 29
The lower support rod 29 is located above the mounting plate 23a
The mounting boss 30a for mounting the reinforcing connecting rod 10 is positioned and provided on the left side in the plan view.

Thus, by the operation of the telescopic cylinder 23, the portions of the support rod 21 to which a force is applied to the lower support rod 29 can be combined and reinforced by the mounting plate 23a.
As shown in FIG. 1, the support pipe rod 20 is configured such that a left end in plan view is supported by a support device 22 and a right end is supported by a right support metal 22a. The support pipe rod 20
The distance (L4) from the center position of the support portion of the right support metal 22a to the center position of the support rod 21 with respect to the total width (L3) between the support portions on the left and right sides of the support rod 21 And a distance (L5) from the center to the center position of the support portion of the support device 22. The distance (L4) <the distance (L5), and the distance (L5) is wider. It is.

The transfer route for transferring the cereal stem is formed wide on the left side in plan view. In addition, the structure is such that the straw chips and the like falling during the transfer directly fall to the field and do not accumulate on the machine body 1a. As a result, (L
2) can be lengthened, and the strength can be further increased.

As shown in FIG. 1, the reinforcing connecting rod 10 is provided at the center between the mounting bolts of the upper and lower mounting plates 32a and 32b fixed to both ends of the reinforcing pipe rod 32 of the reinforcing connecting rod 10. In this configuration, the position of the reinforcing pipe rod 32 of the reinforcing connecting rod 10 is located inside the straight line (d) connecting the parts.

With this arrangement, the reinforcing pipe rod 32 is positioned inward from the mounting portion of the upper mounting plate 32a fixedly attached to the reinforcing pipe rod 32 of the reinforcing connecting rod 10. It is possible to prevent the accumulation of falling straw waste and the like.

[Brief description of the drawings]

FIG. 1 is an enlarged front view of a reinforcing connecting rod.

FIG. 2 is an enlarged side view of a reinforcing connecting rod.

FIG. 3 is an enlarged front view of a part of the reaper.

FIG. 4 is an enlarged side view of a part of the reaper.

FIG. 5 is an overall enlarged side view of the reaper.

FIG. 6 is an overall enlarged plan view of the reaper.

FIG. 7 is an overall side view of the combine.

[Explanation of symbols]

 REFERENCE SIGNS LIST 3 reaper 9 threshing machine 10 reinforcing connecting rod 20 supporting pipe rod 21 supporting rod 22 supporting device 28 upper supporting rod 29 lower supporting rod 30 lower power extracting part 31 upper power extracting part b. L2 Length in left and right direction

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Toshihiko Okada 1 Toya-cho, Tobe-cho, Iyo-gun, Ehime Prefecture Iseki Agricultural Machinery Co., Ltd. Technical Department (72) Inventor Yasushi Yasura 1 Yatsukura, Tobe-cho, Iyo-gun, Ehime Prefecture Iseki Agricultural Machinery Co., Ltd. Technical Department F-term (reference)

Claims (6)

[Claims] 1. A front and rear support rod 2 for supporting a reaper 3.
1 and a horizontal support pipe rod 2 at the upper end of the support rod 21
0, and a support device 22 for rotatably supporting the support pipe rod 20 to provide a reinforcement for connecting the support rod 21 and the support pipe rod 20 in a combine in which the reaper 3 is rotatable up and down. A combine harvester support device comprising a connecting rod (10). 2. The structure according to claim 1, wherein the reinforcing connecting rod is provided so as to avoid a falling passage (a) for straw chips and the like falling from a culm being transferred from the reaper to the threshing machine. A harvester support device for a combine harvester. 3. The support rod 21 according to claim 1, wherein
Is divided into an upper supporting rod 28 and a lower supporting rod 29, and a reinforcing connecting rod 10 for connecting the lower supporting rod 21 and the supporting pipe rod 20 is provided. 4. A combine harvester support device according to claim 1, wherein said reinforcing connecting rod is provided substantially at the center (b) of said supporting rod in a side view. 5. The structure according to claim 1, wherein a length (L1) of the reinforcing connecting rod in the front-rear direction is a length (L1) in the left-right direction.
2) A combine harvester support device characterized in that it is provided with a predetermined length. 6. The structure according to claim 1, wherein both ends of said reinforcing connecting rod are located in the vicinity of a lower power outlet of said support rod and in the vicinity of an upper power outlet of said support pipe. A combine harvester support device, wherein the device is mounted on a combine harvester.